ArticleMolecular psychiatry2021
Association between body mass index and subcortical brain volumes in bipolar disorders-ENIGMA study in 2735 individuals.
Article in Molecular psychiatry, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers, 3 of them syntheses that pooled it.
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Who cites it
32 citing papers in PubMed, 3 syntheses or guidelines pooled it, 53 citations in OpenAlex.
- Body mass index and regional brain N-acetylaspartate: a systematic review and meta-analysis of ¹H-MRS studies.International journal of obesity (2005) · 2026Pooled it
- Psychotropic medications and their interactions with subcortical brain volume in bipolar disorder: An ENIGMA mega-analysis.Molecular psychiatry · 2026Pooled it
- Cross disorder comparisons of brain structure in schizophrenia, bipolar disorder, major depressive disorder, and 22q11.2 deletion syndrome: A review of ENIGMA findings.Psychiatry and clinical neurosciences · 2022Pooled it
- Neural Signatures of Bipolar Disorder and Psychotropic Medication Effects: A Multimodal Positron Emission Tomography-Magnetic Resonance Imaging Study.Biological psychiatry · 2026Article
- Deciphering the causal influence of BMI and related metabolic, inflammatory, and cardiovascular factors on brain structure: a Mendelian Randomization Study.Molecular psychiatry · 2026Article
- The role of metabolic health in neurostructural and cognitive alterations in bipolar disorders.Psychological medicine · 2026Article
- Advancing Brain and Body Vascular Imaging in Bipolar Disorder: A Report From the International Society for Bipolar Disorders Vascular Task Force.Bipolar disorders · 2026Review
- The Role of the Complement C3-Hippocampus Pathway in Relation With Mood Symptoms in Offspring of Parents With Bipolar Disorder.Bipolar disorders · 2025Article
- Attention over vulnerable brain regions associating cerebral palsy disorder and biological markers.Journal of advanced research · 2025Article
- Lifestyle, Early-life, and Genetic Health Risk Factors Underlying the Brain Age Gap: A Mega-Analysis Across 3,934 Individuals from the ENIGMA MDD Consortium.bioRxiv : the preprint server for biology · 2025Article
- The St. Göran Project: A Multipronged Strategy for Longitudinal Studies for Bipolar Disorders.Neuropsychobiology · 2025Article
- Cerebrospinal Fluid Biomarkers of Central Nervous System Inflammation Predict Cortical Decline in Bipolar Disorder and Ventricular Enlargement in Healthy Controls.Neuropsychobiology · 2025Article
- Alterations of subcortical structure volume in pediatric bipolar disorder patients with manic or depressive first-episode.BMC psychiatry · 2024Article
- Introducing neurofilament light chain measure in psychiatry: current evidence, opportunities, and pitfalls.Molecular psychiatry · 2024Review
- Principal component analysis as an efficient method for capturing multivariate brain signatures of complex disorders-ENIGMA study in people with bipolar disorders and obesity.Human brain mapping · 2024Article
- Higher Seasonal Variation of Systemic Inflammation in Bipolar Disorder.International journal of molecular sciences · 2024Article
- The impact of body mass index on the clinical features of bipolar disorder: A STEP-BD study.Bipolar disorders · 2024Article
- Hippocampal subfield morphology from first episodes of bipolar disorder type II and major depressive disorder in a drug naïve Chinese cohort.Frontiers in psychiatry · 2024Article
- Genetic architectures of cerebral ventricles and their overlap with neuropsychiatric traits.Nature human behaviour · 2024Article
- Phenome-wide association studies betweenFrontiers in psychiatry · 2024Article
Corrections and comments
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Authors and funding
73 authors at 20 institutions in 16 countries.
Funding
Abstract
Individuals with bipolar disorders (BD) frequently suffer from obesity, which is often associated with neurostructural alterations. Yet, the effects of obesity on brain structure in BD are under-researched. We obtained MRI-derived brain subcortical volumes and body mass index (BMI) from 1134 BD and 1601 control individuals from 17 independent research sites within the ENIGMA-BD Working Group. We jointly modeled the effects of BD and BMI on subcortical volumes using mixed-effects modeling and tested for mediation of group differences by obesity using nonparametric bootstrapping. All models controlled for age, sex, hemisphere, total intracranial volume, and data collection site. Relative to controls, individuals with BD had significantly higher BMI, larger lateral ventricular volume, and smaller volumes of amygdala, hippocampus, pallidum, caudate, and thalamus. BMI was positively associated with ventricular and amygdala and negatively with pallidal volumes. When analyzed jointly, both BD and BMI remained associated with volumes of lateral ventricles and amygdala. Adjusting for BMI decreased the BD vs control differences in ventricular volume. Specifically, 18.41% of the association between BD and ventricular volume was mediated by BMI (Z = 2.73, p = 0.006). BMI was associated with similar regional brain volumes as BD, including lateral ventricles, amygdala, and pallidum. Higher BMI may in part account for larger ventricles, one of the most replicated findings in BD. Comorbidity with obesity could explain why neurostructural alterations are more pronounced in some individuals with BD. Future prospective brain imaging studies should investigate whether obesity could be a modifiable risk factor for neuroprogression.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.